Josiah kieby



(No Model.)

J. KIRBY. HUNG.

No. 292.826; Patented Feb. 5,-1884;

|NVENT0R fi mwm OUINITED STATES PATENT OFFI E,

JOSIAH KIRBY, OF GINOINNATI, OHIO.

'BUNG.

SPECIFICATION forming part of Letters Patent No. 292,826, dated February 5, 1884.

Application filed November 5, 188:3.

1'0 all whom, it may concern: 1

Be it known that I, JOSIAH KIRBY, of Oincinnati, Hamilton county, Ohio, have invented certain new and useful Improvements inBungs, of which the following is a specification.

My invention relates to that class of bnngs in connection with which a ventilator is to be employed and its object is to provide a bun g the central portion of which may be readily driven into the cask by the ventilatorwithout danger of splitting off the peripheral bottom portion of the bung, and which, before said central portion is so driven in, will-tightly close the bung-hole of the cask.

Referring to the drawings forming part of this specification, Figure lrepresents the top face, and Fig. 2 the bottom face, of a bung, showing the preferred form of the incisions in said faces. Fig. 3 is a diametrical section of the bung, taken at the line mac of Fig. 1, as it appears before the central portion is driven out. Fig. ,4 represents the same section, the central portion being partly driven out. Fig. 5 represents the bottom face of a bung, showing a different location and shape of incisions in said bottom face. Fig, 6 represents one of the various styles 'of bung now'in use, illustrating the defective feature of this class of bungs, which is overcome by my invention.

. A is the bung, out from wood, the grain of which ,runs parallel to the bung. The upper '-face of the bung may be provided with the usual recess or incision, 0, formed in any of the known ways, and where, as is sometimes the case, this recess is wanting, or is not suffi-' ciently deep to accomplish, in connection with the incisions hereinafter described as made in the lower face of the bung,the purposes of my invention, Iv make a circular incision, a, extending, preferably, more than half-way through the bung, as shown in Fig. 3. Inthe bottom face of the bung are formed theincisions 1), preferably semicircular in shape, and-which are preferably placed transversely to the grain of the wood, and the distance between these incisions in the lower face of the bung being preferably slightly greater than the diameter of the circular incision or recess a in the top face of the bung, the wood between the ends of the said incisions in the lower face of the bung (No model.)

but, as specified in that patent, the lower end of the incision or incisions formed in the upper portion of the bung and upper end of the incisions formed in thelowerface of the bung were extended to one and the same plane that is to say, in aplane substantially parallel to the faces ofthebung.

The invention which is the subjectof the present application for Letters Patent consists in preserving and retaining a very thin disk of uncut wood lying in a plane substantially parallel to the faces of theflbung, at the same time employing the upper recess or incision, a, and the lower incisions, b 12. Thus in the present invention the lower end of the incision from above and the upper ends of incisions from below do not quite reach to a common plane, but a quite thin disk of uncut wood of the diameter of the bung is between the respective planes in which the said lower and upper ends are respectively located. In practice I have found such a bung will utilize all of the advantages derived fromthe said incisions, and at the same time afford the further advantage that the cutters entering opposite sides of the bung shall not and need not exactly or fully reach a common plane. Furthermore, a lower central portion, B, of the bung is more firmly held in position in the bung, and integral therewith while in use asabung.

When the bung is to be used as a bushing, the rear end of a ventilator is introduced through the outer or upper, face of the bung,

and the ventilator being driven through the Y packing for the ventilator, and thereby eaus- 1 it also possesses greater strength as a hung 5 ing leakage; but by my invention the wood remaining intact between the incisions b in the bottom face of the bang enablesme to penetrate the bung from opposite sides to such an extent that the planes of the bottoms of the in cisions in the opposite sides may nearly meet without detriment to the bang, as the dampness closes up the incisions and prevents leakage, and thus leaving the portion of the grain of the wood to be broken across so thin that all danger of splitting off the bottom portion of the bung is removed, as the central portion, B, is readily split from the peripheral portion along the dotted lines in Fig. 2, and the central portion or plug thus driven out assumes the shape shown in Fi 4, and the peripheral portion of the bang left in the bung-hole or bushing remains perfect for its entire tl1ick ness, and forms a perfect packing for the ventilator.

Instead offorming the incisions b in the bot tom face of the bung substantially transversely to the grain of the wood, as above described, they may be formed parallel to each other, as shown in Fig. 5, and extending partly or entirely across the face of the bung, parallel to the grain thereof. It will thus be observed that a bung constructed according to my invention not only retains all of the advantages derived from the style of incision, as hereto- 3 fore described in my Letters Patent No. 268,026, but also adds greater strength and efficiency to the bung while used as such; and

i l i l l l 1 l and more efficiency as a bushing than the bangs in which continuous circular incisions are everywhere employed.

\Yhat I claim as new and of my invention, and desire to secure by Letters Patent, is-

1. A bung having a circular recess or incision, or both, in its top face, and two incisions in its bottom face, the wood between the incisions in the bottom face of the bung remaining intact, the incisions in the opposite faces not penetrating to a commonplane, substantially as and for the purposes specified.

2. A bung having a circular recess or incision, or both, in its top face, and' two semicircular incisions in its bottom face,'the wood between the incisions in the bottom face of the bung remaining intact, the incisions in the op posite faces not penetrating to a common plane, sul'istantially as and for the purposes specified.

23. In combination, a bung having a circular recess or incision, or both, in its top face, and two incisions in its bottom face, the wood between the incisions in the bottom face relnainingintact, and a disk of nncutwood, of the diameter of the bung and parallel to the faces of the bang, remaining intact between the inner ends of incisions in the opposite faces of the bung, substantially as and for the purposes specified.

JOSIAH KIRBY.

\Vitnesscs:

Tnos. M. Konnrs, Wn. H. Masses. 

